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Stockholders' Equity (Tables) | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Dec. 31, 2017
Equity [Abstract] |  |
Schedule of assumptions used in Black-Scholes pricing model to estimate the fair value of the options granted |
|  | Six Months Ended |
|  | June 30, |
|  | 2018 |
Expected volatility |  |  | 159.0-167.0% |
Expected life of option |  |  | 5.2-6.3 |
Risk free interest rate |  |  | 2.3-2.8% |
Expected dividend yield |  |  | 0.0 | %
|  | December 31, |
|  | 2017 |  |  | 2016 |
Expected volatility |  |  | 116.1-159.0 | % |  |  | 76.6-139.2 | %
Expected life of option |  |  | 5.0-7.0 |  |  |  | 5.5 |
Risk free interest rate |  |  | 1.7-2.2 | % |  |  | 1.1%-1.8 | %
Expected dividend yield |  |  | 0.0 | % |  |  | 0.0 | %
Schedule of stock option activity |
|  |  |  |  | Weighted |
|  | Number of |  |  | Average Exercise |
|  | Options |  |  | Price |
Stock Options: |  |  |  |  |  |
Outstanding at January 1, 2018 |  |  | 980,588 |  |  | $ | 5.02 |
Granted |  |  | 85,830 |  |  |  | 6.11 |
Expired or canceled, during the period |  |  | - |  |  |  | - |
Forfeited, during the period |  |  | (2,909 | ) |  |  | 3.65 |
Outstanding at June 30, 2018 |  |  | 1,063,509 |  |  | $ | 5.13 |
Exercisable at June 30, 2018 |  |  | 554,196 |  |  | $ | 6.59 |
|  | Number of Options |  |  | Weighted Average Exercise Price |
Outstanding at January 1, 2017 |  |  | 573,110 |  |  | $ | 6.94 |
Granted |  |  | 611,522 |  |  |  | 3.75 |
Expired or canceled, during the period |  |  | (191,027 | ) |  |  | 6.64 |
Forfeited, during the period |  |  | (13,017 | ) |  |  | 6.00 |
Outstanding at December 31, 2017 |  |  | 980,588 |  |  | $ | 5.02 |
Exercisable at December 31, 2017 |  |  | 448,890 |  |  | $ | 8.36
Schedule of stock-based compensation expense |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Cost of revenue |  | $ | 651 |  |  | $ | 1,124 |  |  | $ | 1,341 |  |  | $ | 2,240 |
Sales and marketing expense |  |  | 971 |  |  |  | 307 |  |  |  | 2,221 |  |  |  | 575 |
Product development expense |  |  | 12,873 |  |  |  | 29,151 |  |  |  | 19,260 |  |  |  | 33,231 |
General and administrative expense |  |  | 203,518 |  |  |  | 168,629 |  |  |  | 399,030 |  |  |  | 287,493 |
Total stock compensation expense |  | $ | 218,013 |  |  | $ | 199,211 |  |  | $ | 421,852 |  |  | $ | 323,539 |
|  | Year ended December 31, |
|  | 2017 |  |  | 2016 |
Cost of revenue |  | $ | 4,302 |  |  | $ | 117,147 |
Sales and marketing expense |  |  | 1,784 |  |  |  | - |
Product development expense |  |  | 166,783 |  |  |  | - |
General and administrative expense |  |  | 665,556 |  |  |  | 50,599 |
Total stock-based compensation expense |  | $ | 838,425 |  |  | $ | 167,746 |
Schedule of restricted stock award activity |
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  | Number of |  |  | Grant Date |
|  | RSAs |  |  | Fair Value |
Restricted Stock Awards: |  |  |  |  |  |
Outstanding at January 1, 2018 |  | $ | 158,571 |  |  | $ | 20.29 |
Granted |  |  | - |  |  |  | - |
Expired or canceled, during the period |  |  | - |  |  |  | - |
Forfeited, during the period |  |  | - |  |  |  | - |
Outstanding at June 30, 2018 |  | $ | 158,571 |  |  | $ | 20.29 |
|  | Number of Restricted Stock Awards |  |  | Weighted Average Grant Date Fair Value |
Outstanding at January 1, 2017 |  |  | 264,286 |  |  | $ | 20.29 |
Granted |  |  | - |  |  |  | - |
Forfeited or canceled, during the period |  |  | (43,405 | ) |  |  | 20.29 |
Vested |  |  | (62,310 | ) |  |  | 20.29 |
Outstanding at December 31, 2017 |  |  | 158,571 |  |  | $ | 20.29 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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